Gelled aqueous composition comprising a heavy-grade magnesium salt

Abstract

The present invention relates to a composition comprising —a gelled aqueous phase, —at least 1% by weight of active material of magnesium salt(s) having a poured bulk density of greater than 450 g/L, relative to the total weight of the composition, and —at least one glycol derivative, characterized in that the glycol derivative is chosen from propylene glycol, butylene glycol and mixtures thereof. The invention also relates to a cosmetic process for treating body odour associated with human perspiration, notably underarm odour, and optionally human perspiration, which consists in applying to the surface of the skin, in particular using a roll-on, an effective amount of said cosmetic composition.

1 : A composition comprising:
 a gelled aqueous phase,   at least 1% by weight of active material of magnesium salt(s) having a poured bulk density of greater than 450 g/L, relative to the total weight of the composition, and   at least one glycol derivative,   wherein the glycol derivative is selected from the group consisting of propylene glycol, butylene glycol and mixtures thereof.   
     
     
         2 : The composition according to  claim 1  wherein the magnesium salt is selected from the group consisting of magnesium oxide, magnesium carbonate, magnesium hydroxide, magnesium bicarbonate, and mixtures thereof. 
     
     
         3 : The composition according to  claim 1 , wherein the magnesium salt is magnesium oxide. 
     
     
         4 : The composition according to  claim 1 , wherein the magnesium salt(s) with a poured bulk density of greater than 450 g/L are present in a content ranging from 1% to 6% by weight of active material relative to the total weight of the composition. 
     
     
         5 : The composition according to  claim 1 , wherein the magnesium salt(s) with a poured bulk density of greater than 450 g/L have a poured bulk density of between 450 and 750 g/L. 
     
     
         6 : The composition according to  claim 1 , wherein the magnesium salt(s) with a poured bulk density of greater than 450 g/L have a specific surface area of less than 20 m 2 /g. 
     
     
         7 : The composition according to  claim 1 , wherein the glycol derivative is present in a content of at most 40% by weight, relative to the total weight of the composition. 
     
     
         8 : The composition according to  claim 1 , wherein the glycol derivative is selected from the group consisting of propylene glycol, 1,3-propanediol, butylene glycol and mixtures thereof. 
     
     
         9 : The composition according to  claim 1 , wherein the glycol derivative is present in a content ranging from 10% to 40% by weight relative to the total weight of the composition. 
     
     
         10 : The composition according to  claim 1 , further comprising at least 60% by weight of water relative to the total weight of the composition. 
     
     
         11 : The composition according to  claim 1 , having the form of an aqueous gel or an aqueous dispersion comprising a solid fatty alcohol. 
     
     
         12 : The composition according to  claim 11 , wherein the solid fatty alcohol is selected from the group consisting of lauryl alcohol; myristyl alcohol; cetyl alcohol; stearyl alcohol; arachidyl alcohol; behenyl alcohol; lignoceryl alcohol; ceryl alcohol; montanyl alcohol; myricyl alcohol and mixtures thereof. 
     
     
         13 : A cosmetic process for treating body odour associated with human perspiration, comprising applying to the surface of the skin, an effective amount of the cosmetic composition as defined according to  claim 1 . 
     
     
         14 : The composition according to  claim 1 , wherein the magnesium salt(s) with a poured bulk density of greater than 450 g/L are present in a content ranging from 1% to 2% by weight of active material relative to the total weight of the composition. 
     
     
         15 : The composition according to  claim 1 , wherein the magnesium salt(s) with a poured bulk density of greater than 450 g/L have a poured bulk density of between 550 and 650 g/L. 
     
     
         16 : The composition according to  claim 1 , wherein the magnesium salt(s) with a poured bulk density of greater than 450 g/L between 2 and 20 m 2 /g. 
     
     
         17 : The composition according to  claim 1 , wherein the magnesium salt(s) with a poured bulk density of greater than 450 g/L is magnesium oxide. 
     
     
         18 : The composition according to  claim 1 , wherein the glycol derivative is present in a content ranging from 15% to 25% by weight, relative to the total weight of the composition. 
     
     
         19 : The composition according to  claim 1 , wherein it comprises at least 75% by weight of water relative to the total weight of the composition.